Refrigeration cycle
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United States of America Patent
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-
Feb 11, 2003
Grant Date -
Nov 7, 2002
app pub date -
Jun 28, 2002
filing date -
Sep 8, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to magnify capacity control of a refrigeration cycle for an increased efficiency and achievement of compactness, the refrigeration cycle includes a compressor, a four-way valve, a heat exchanger on a side of a heat source, a liquid receiver, a heat exchanger on a side of use, and an electronic expansion valve, all of which are connected other by pipes, and comprises a refrigerant circulating in the refrigeration cycle and being a non-azeotropic refrigerant, a second liquid receiver for taking out a refrigerant vapor from an upper portion of the liquid receiver to condense and store the refrigerant, and a pipe connecting the second liquid receiver to the liquid receiver via a shut-off valve.
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